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HP PageWide Pro MFP 772/777 and HP PageWide Managed MFP P77740/P77750/P77760 - Removal and replacement: Document feeder roller kit (MFP models only)

This document provides the procedures to remove and replace the document feeder pickup and feed rollers, and separation pad (MFP models only) (CSR A).

Mean time to repair: 1 minute

Service level: Basic

Important:

When applicable, special installation instructions are provided for an assembly at the end of the removal procedure. Always completely read the removal instructions and follow all special installation instructions.

Before performing service

Turn the printer power off

  • Disconnect the power cable.

    Warning:

    To avoid damage to the printer, turn the printer off, wait 30 seconds, and then remove the power cable before attempting to service the printer.

Use the table below to identify the correct part number for your printer. To order the part, go to www.hp.com/buy/parts.

Part information

Document feeder roller kit part number

A7W93-67083

Document feeder roller kit with instruction guide

Required tools

  • No special tools are required to remove or install this assembly.

After performing service

Turn the printer power on

  • Connect the power cable.

  • Use the power switch to turn the power on.

Post service test

Use the document feeder to make a copy.

Remove the document feeder pickup and reed rollers, and separation pad

Follow these steps to remove the document feeder pickup and reed rollers, and separation pad.

  1. Open the document feeder jam access cover.

    Open the document feeder cover

    Open the document feeder cover
  2. Rotate the blue latch (next to the roller assembly) up to release it.

    Release the latch

    Release the latch
  3. Rotate the left side of the roller assembly out and away from the document feeder (callout 1), and then slide the assembly to the left (callout 2).

    Release the roller assembly

    Release the roller assembly
  4. Remove the roller assembly.

    Remove the roller assembly

    Remove the roller assembly
  5. Rotate the top edge of the separation pad assembly up and away from the document feeder to release it.

    Release the separation pad assembly

    Release the separation pad assembly
  6. Lift the separation pad assembly straight up to remove it.

    Remove the separation pad assembly

    Remove the separation pad assembly

Unpack the replacement assembly

Follow these steps to unpack the replacement assembly.

  1. Dispose of the defective part.

    Note:

    HP recommends responsible disposal of the defective part.

    http://www8.hp.com/us/en/hp-information/environment/product-recycling.html

  2. Unpack the replacement part from the packaging.

    CAUTION:

    Some parts are sensitive to electrostatic discharge (ESD). Always perform service work at an ESD-protected workstation or mat. If an ESD workstation or mat is not available, touch the sheet-metal chassis to provide a static ground before touching an ESD-sensitive assembly. Protect the ESD-sensitive assemblies by placing them in ESD pouches when they are out of the printer.

    Important:

    Make sure that all of the shipping materials (for example shipping tape) are removed from the replacement part prior to installation.

    Note:

    If the replacement part is a roller or pad, avoid touching the spongy part of it. Skin oils on the roller or pad can cause paper pickup and/or print-quality problems. HP recommends using disposable gloves when handling rollers or pads or washing your hands before touching rollers or pads.

  3. To install an assembly, reverse the removal steps.

    Note:

    When applicable, special installation instructions are provided for an assembly at the end of the removal procedure. Always completely read the removal instructions and follow all special installation instructions.

Install the document feeder pickup and reed rollers, and separation pad

Follow these steps to install the document feeder pickup and reed rollers, and separation pad.

  1. Install the separation pad assembly in the holder.

    Note:

    The top edge of the pad assembly will be slightly raised above the holder.

    Install the separation pad assembly

    Install the separation pad assembly
  2. Rotate the top edge of the separation pad assembly down and toward the document feeder to seat it in the holder.

    Engage the separation pad assembly

    Engage the separation pad assembly
  3. Position the roller assembly in the holder.

    Note:

    The two short drive shafts face the rear of the document feeder. The single long shaft faces the front of the document feeder.

    Position the roller assembly

    Position the roller assembly
  4. Install the right end (two short drive shafts) into the holder (callout 1), and then rotate the left side of the roller assembly into the holder (callout 2).

    Install the roller assembly

    Install the roller assembly
  5. Rotate the blue latch (next to the roller assembly) down to engage it.

    Note:

    If the latch interferes with the roller assembly, make sure that the roller assembly drive shafts are completely seated in the holder.

    Close the latch

    Close the latch
  6. Close the document feeder jam access cover.

    Close the document feeder cover

    Close the document feeder cover
  7. At the printer control panel, do the following:

    1. Scroll to, and then touch the Support Tools button.

    2. Touch the Maintenance button.

    3. Touch the Document Feeder Rollers item.

    4. Touch the Document Feeder Rollers item.

    5. Touch the Next button, and then touch the Settings item.

    6. Touch the Reset the Remaining Life Counter item, and then touch OK to reset the counter.

    7. Touch the Done button to return to the Document Feeder Rollers maintenance menu, or touch the Home button to return to the printer home screen.


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